<div class="sidebar-nav">
    <a href="#dashboard-menu" class="nav-header" data-toggle="collapse"><i class="icon-dashboard"></i>控制面板</a>
    <ul id="dashboard-menu" class="nav nav-list collapse in">
        <li><a href="index.php">首页</a></li>
        <li><a href="adminlist.php">管理员</a></li>
        <li><a href="departmentlist.php">系部</a></li>
        <li><a href="studentlist.php">学生</a></li>
        <li><a href="subjectlist.php">学科</a></li>
        <li><a href="gradelist.php">成绩</a></li>
    </ul>
</div>